Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nin vat de snippets" » "nin va de snippets", "sinh vat de snippets", "nhan vat de snippets", "nin vat da snippets", "nin vat dien snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("nin vat de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nin vat de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nin vat de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nin vat de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.